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Buick engine repair questions and answers

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  • AutoMD Member
    AutoMD Member - 2006 Buick LaCrosse - Engine - 6/11/2014
    Need help putting fuse wires back together.
    Fuse box melted last week, so I pulled it out, replaced the necessary wires, but I didn't recount which wire went where. All I have is this picture I thought to take after I took out 7 wires. http://oi59.tinypic.com/2dj9ze1.jpg
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2000 Buick Park Avenue - Engine - 6/8/2014
    Car has intermittent no crank.
    I try to stet my car sometimes and get no crank. battery is good and I can leave it for a while and when I come back it starts fine. sometimes its in the morning when I first try and leave sometimes after sitting for a bit when I run in a store.
     
    • AutoMD Member
      6/8/2014 AutoMD Member
      Check the ground cable on the battery and possibly the neutral safty switch. Try to start it in neutral. Another symptom is but not always no reverse lights
  • AutoMD Member
    AutoMD Member - 2000 Buick Park Avenue - Engine - 6/8/2014
    Car has intermittent no crank.
    I try to stet my car sometimes and get no crank. battery is good and I can leave it for a while and when I come back it starts fine. sometimes its in the morning when I first try and leave sometimes after sitting for a bit when I run in a store.
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1987 Buick LeSabre - Engine - 6/7/2014
    Why does my car hesitate when I step on the gas?
    I replaced ignition module and coils packs
     
    • jdl
      6/7/2014 jdl
      How long since tune-up? Check the throttle position sensor. You should be able to use a digital multimeter to check the tps. key on, take reading on tps signal wire, move throttle up and down, if the voltage has a glitch, I'm thinking the tps has a problem. If the voltage reading moves smoothly, that sounds ok.

      Can you check for applicable codes? Your obd 1, you should be able to check codes, yourself.
  • AutoMD Member
    AutoMD Member - 2000 Buick Century - Engine - 6/7/2014
    What is causing my gas gauge to suddenly change levels on gas in the tank while I am driving.
    I just recently had the alternator replaced. I purchased the car from a local dealer 2 years ago. It only had 56,000 miles on it. And, I make payments on it as well.
     
    • jdl
      6/7/2014 jdl
      A sudden stop or acceleration can effect the float in the gas tank, which in turn can effect the voltage to and from the pcm and ipc, that will effect gage reading. Some GM makes and models have a service bulletin relating to the fuel gage sending unit in the gas tank, corrosion and or coating, that effects the gage reading. I haven't looked at the tsbs on your vehicle to see if it applies to your vehicle?
  • AutoMD Member
    AutoMD Member - 1987 Buick LeSabre - Engine - 6/7/2014
    Why does my car hesitate when I step on the gas after 2 or 3 miles?
    I have change the ignition module and coils packs and the problem continue.
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1987 Buick LeSabre - Engine - 6/7/2014
    Why does my car hesitate when I step on the gas after 2 or 3 miles?
    I have change the ignition module and coils packs and the problem continue.
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2004 Buick LeSabre - Engine - 6/6/2014
    Car engine dies while driving,no warning. then runs ok
    only 33000, one owner,driven very little,located central Texas, Occured three years ago and dealer out in new battery, This last time dealer couldn't come up with answer? Battery was deemed OK?
     
    • Chevy doctor
      6/6/2014 Chevy doctor
      Make sure fuel pressure regulator is not leaking through vacuum line. Could be crank sensor issue.
  • AutoMD Member
    AutoMD Member - 1980 Buick Riviera - Engine - 5/28/2014
    Why do i keep finding the same radiator at all these differnt web sites when my is not like that at all?
    Ok i have a 1966 buick riviera 425 and i got my fill cap and my trans lines and my outlet hose on the driver side.then i got my inlet hose and drain plug on the passanger side. but every thing i can find its all on the wrong side. and the auto motive people saids ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1999 Buick Regal - Engine - 5/20/2014
    My Regal's info center went out, and then the left running light, and now the right is out. What module controls this?
    I've been told it's a computer issue, just can't recall what module.
     
    • Chevy doctor
      5/19/2014 Chevy doctor
      Body control module controls your daytime running lamps. Is it your cluster with the gauges that is out or the drivers information center.
      Chevy doctor
      5/20/2014 AutoMD Member
      The driver information center.
    • Chevy doctor
      5/20/2014 Chevy doctor
      The driver information center is a separate module that monitored by the bcm. I think your DIC is burnt out and your bulbs sound like coincedence.
  • AutoMD Member
    AutoMD Member - 1991 Buick Century - Engine - 5/19/2014
    What could be the cause of it not starting?
    What could be the cause? I have a 1991 Buick century. I just had my heads changed. It ran good for the first day, but today when I was driving, I was going 45 mph and pressed the pedal to go a little faster, the car started to want to catch speed the all of a sudden ...
     
    • GT500Knights
      5/19/2014 GT500Knights
      It's likely a back pressure issue. Check the exhaust system for restrictions. If not enough air can exit the vehicle then not enough will be able to enter either. You also may be getting fuel but to properly diagnose that area of the vehicle you need to measure the fuel pressure.
  • AutoMD Member
    AutoMD Member - 2003 Buick Century - Engine - 5/18/2014
    A/C makes clicking sound
    120,000 miles. A/C makes a clicking sound when on. Sound does not happen when A/C is off.
     
    • Chevy doctor
      5/18/2014 Chevy doctor
      inside the vehicle or outside by the engine compartment
      Chevy doctor
      5/18/2014 AutoMD Member
      Outside
    • Chevy doctor
      5/18/2014 Chevy doctor
      Compressor clutch does click when it engages and disengauges. That's normal. But I have seen belt tensioner make abnormal noises.
      Chevy doctor
      5/19/2014 AutoMD Member
      Click occurs at about 2 second intervals, Could this be a compressor or something expensive , or maybe just low on Freon ?
  • AutoMD Member
    AutoMD Member - 2003 Buick Century - Engine - 5/18/2014
    A/C Making clicking sound
    My A/C works fine, but there is a clicking sound when it is on. The clicking sound does not occur when the A/C is off.
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2000 Buick LeSabre - Engine - 5/16/2014
    Gas blows back out while trying to fill the tank
    This just started happening... I've checked the fill tube for a block but it appears fine... you can hear it start to backfill... then trip the nozzle... then spit out down the side of the car.. Even when filling slowly...
     
    • Jimm
      5/16/2014 Jimm
      The fuel issue is most likely related to a clogged fuel vent tube (routed alongside the fuel filler tube) - this tube can be unclogged using a length of hanger wire. If the hanger wire does not work then the fuel vent tube will need to be replaced.

      Try these sources for the replacement part; www.fillernecksupply.com, www.partsgeek.com - among others.
  • AutoMD Member
    AutoMD Member - 1993 Buick Regal - Engine - 5/15/2014
    Why won't my car start?
    My car won't automatically start when I try to crank it up. It just does a "click" sound but the engine is not turning over. The only way I can get it to start is with a jump from somebody or hooking it up to my battery charger. I tried to replace the battery with a ...
     
    • jdl
      5/15/2014 jdl
      What about your battery cables and connections? I'd have to check voltage and ground at the starter motor. It could be a starter problem? Some of the national brand auto stores will test the starter for you, if you take it off and take it to them.

      I'd have to sure the battery has a full charge.
      jdl
      5/15/2014 AutoMD Member
      The battery is charged, but im not sure about the cables and connections. Havent gotten those checked out as of yet. The online diagnosis on this website informed me that it might be the starter or a seized engine which i hope its not the engine.
    • GT500Knights
      5/15/2014 GT500Knights
      You can check for a seized engine yourself, if you have the tools. Get a large ratchet or breaker bar. Fit the appropriate size socket onto the crankshaft pulley (AKA harmonic balancer) bolt. It's usually a large bolt ranging from 17-23mm or 3/4-1". With the key out of the ignition, attempt to rotate the engine in its normal rotating direction (for GM vehicles [including buick], the direction of rotation is clockwise if you are facing the front of the engine. Keep note that some resistance is normal if the spark plugs are installed. This is due to compression buildup in the cylinders. When you rotate the engine you should be able to complete two revolutions. It is a good idea to not rotate the engine in the opposite direction. If you encounter a situation where you cannot rotate the engine no matter how much force you apply, one of two things come to mind. (1) your engine is hydrolocked (coolant in the combustion chamber). Water is not compressible. (2) bent pushrod.

      I would definitely check also how much voltage drop is present between the battery positive post and the starter motor positive (not the s-terminal). Be careful not to place your hands or anything like hair, necklaces into the path of anything moving. Using a volt meter set to dc volts within the 2 or 20 volt range, connect one lead to battery positive and the other lead to starter positive. Have a helper crank the engine over. Voltage should typically not exceed .5 volts, but if it exceeds 1 volt, there is a problem with the connections or cable itself. Check the ground side itself. This is done in the same manner, except connect one lead to battery negative, and the other lead to the body of the starter motor. The starter motor grounds itself to the engine block, and thereby connects to the battery through a series of connections that run from the engine block, to battery and/or chassis. You should also see no more than .5 volts. Excessive rust or corrosion or looseness of cables will affect how much energy the starter motor can draw.

      The starter motor itself may also be defective. Remove it and have it tested at your local auto parts store.